BINK_STRUCT

Andreik · March 6, 2011

Can someone put me on the right way with this code? I want to open a bink file to play it as intro for a game but I am not sure about bink functions [binkw32.dll]. I found this code but is C and I am not sure about return of BinkOpen function in AutoIt.

typedef signed char     s8; 
typedef unsigned char   u8; 
typedef signed int      s32; 
typedef unsigned int    u32; 
typedef signed short    s16; 
typedef unsigned short  u16; 

typedef struct 
{ 
    s32 Width;          // frame height 
    s32 Height;         // frame width 
    s32 Frames;         // total number of frames in movie 
    s32 FrameNum;       // current frame 
    s32 LastFrame; 
    s32 FpsMul;         // frames/second multiplier 
    s32 FpsDiv;         // frames/second divisor 
    s32 Unknown0;       // Unknown 
    u32 Flags; 
    u8 Unknown1[260]; 
    s32 CurPlane;       // current plane 
    void *Plane0;       // pointer to plane 0 
    void *Plane1;       // pointer to plane 1 
    u8 Unknown2[8]; 
    s32 yWidth;         // Y plane width 
    s32 yHeight;        // Y plane height 
    s32 uvWidth;        // U&V plane width 
    s32 uvHeight;       // U&V plane height 
} BINK_STRUCT, *HBINK; 

/* 
HBINK BinkOpen(HANDLE, u32): 
 
    BinkOpen opens and initializes a Bink file for playback. 
 
    hBinkFile: A Windows file HANDLE that refers to the Bink file to be read. 
 
    dwFlags: The meaning of all the flags is unclear, but MPC calls BinkOpen  
    with 0x00800000. 
 
    Returns: On success returns a pointer to a BINK_STRUCT that will be used for playing the Bink  
    file, else return is zero 
*/ 
HBINK BinkOpen(HANDLE hBinkFile, u32 dwFlags);

#include <Array.au3>
#include <WinAPI.au3>

$FILE = _WinAPI_CreateFile("LOGO.bik", 2, 2)
;_BinkOpen@8 is the original name in dll
$RESULT = DllCall("binkw32.dll","ptr","_BinkOpen@8","hwnd",$FILE,"uint",0x00800000)
If @error Then
    MsgBox(0,"ERROR",@error)
Else
    _ArrayDisplay($RESULT)
EndIf
_WinAPI_CloseHandle($FILE)

If I run this code the results array looks like:

[0]|0x031C1B00
[1]|0x000002C4
[2]|8388608

but the script finish fast and give me a fatal error AutoIT3.exe ended.rc:-1073741819

Any idea how to get there HBINK struct as result?

Edited March 6, 2011 by Andreik

danielkza · March 6, 2011

The function will return a pointer to the struct, you need to use the second parameter of DLLStructCreate().

Andreik · March 6, 2011

I don't have time to create the struct because my script crush very fast after call this dll: AutoIT3.exe ended.rc:-1073741819

danielkza · March 6, 2011

I don't have time to create the struct because my script crush very fast after call this dll: AutoIT3.exe ended.rc:-1073741819

Then you're probably calling the function with a wrong number or type of parameters. I'll see if I can find a copy of binkw32.dll from a game and try it out.

EDIT: Done it, and the following script seems to work (place binkw32.dll and a test video named bink_test.bik on its folder).

; #INDEX# =======================================================================================================================
; Title .........: _DLLStruct Array Conversion Functions
; Description ...: Provides facilities to conver DLLStructs to arrays. Useful for debugging or displaying.
; Author ........: Daniel Miranda (danielkza)
; ===============================================================================================================================

; #FUNCTION# ====================================================================================================================
; Name...........: _DLLStructToArray
; Description ...: Traverses a DLLStruct, and return it's data as an array
; Syntax.........: _DLLStructToArray(Const ByRef $hStruct)
; Parameters ....: $hStruct     - DLLStruct handle
; Return values .: Success      - Array containing the data
;                  Failure      - 0
; Author ........: Daniel Miranda (danielkza)
; Modified.......:
; Remarks .......: There is no implicit or explicit conversion of types, AutoIt takes care of it all.
;                  Check DLLStructCreate for more info and a conversion table.
;
;                  Failure reading any of the elements is not accepted. In this case none of them will be returned, and @error will be set to 3 (check below).
;
;                  Arrays in the structure are processed correctly, but in 'PHP style' (assigning arrays to array elements).
;                  _ArrayDisplay does NOT handle that, so you must do it manually.
;
;                  @error values:
;                      == 1: invalid DLLStruct
;                      == 2: empty DLLStruct
;                      == 3: error reading one of the elements. @extended contains the index where the failure occured
; Related .......: DLLStructCreate, DLLStructGetData, _DLLStructElementToArray
; Link ..........;
; Example .......;
; ===============================================================================================================================
Func _DLLStructToArray(Const ByRef $hStruct)
    IF NOT IsDLLStruct($hStruct) Then
        Return SetError(1, 0, 0)
    EndIf

    Local $aData[17], $iCount=0, $iSize=16
    Local $temp, $iError=0

    While True
        $iCount+=1
        $temp = DllStructGetData($hStruct, $iCount)

        $iError = @error
        Switch $iError
            Case 2
                $iCount-=1
                ExitLoop
            Case 1, 4
                Return SetError(3, $iCount, 0)
        EndSwitch

        If $iCount > $iSize Then
            $iSize *= 2
            ReDim $aData[$iSize+1]
        EndIf

        Switch $iError
            Case 0
                $aData[$iCount] = $temp
            Case 5
                $aData[$iCount] = _DLLStructElementToArray($hStruct, $iCount)
                If @error Then Return SetError(3, $iCount, 0)
            Case Else
                Return SetError(3, $iCount, 0)
        EndSwitch
    WEnd

    If $iCount < 1 Then Return SetError(2, 0, 0)
    ReDim $aData[$iCount+1]
    $aData[0] = $iCount

    Return $aData
EndFunc

; #FUNCTION# ====================================================================================================================
; Name...........: _DLLStructElementToArray
; Description ...: Traverses a single DLLStruct element, and return it's data as an array
; Syntax.........: _DLLStructElementToArray(Const ByRef $hStruct, Const $iElement)
; Parameters ....: $hStruct     - DLLStruct handle
;                  $iElement    - Index of the element to retrieve
; Return values .: Success      - Array containing the data
;                  Failure      - 0
; Author ........: Daniel Miranda (danielkza)
; Modified.......:
; Remarks .......: Check _DLLStructToArray for a version that reads the whole structure.
;                  As _DLLStructToArray, no type conversion is performed, and error(s) cause the whole function to fail.
;
;                  @error values:
;                      == 1: invalid DLLStruct
;                      == 2: empty DLLStruct
;                      == 3: error reading one of the elements. @extended contains the index where the failure occured.
; Related .......: _DLLStructToArray, DLLStructCreate, DLLStructGetData
; Link ..........;
; Example .......;
; ===============================================================================================================================
Func _DLLStructElementToArray(Const ByRef $hStruct, Const $iElement)
    If NOT IsDLLStruct($hStruct) Then
        Return SetError(1, 0, 0)
    EndIf

    Local $aData[17], $iSize=16, $iCount=0
    Local $temp

    While True
        $iCount+=1
        $temp = DLLStructGetData($hStruct, $iElement, $iCount)
        Switch @error
            Case 0
                IF $iCount > $iSize Then
                    $iSize*=2
                    Redim $aData[$iSize+1]
                EndIf
                $aData[$iCount]=$temp
            Case 3
                ExitLoop
            Case Else
                Return SetError(3, $iCount, 0)
        EndSwitch
    WEnd

    IF $iCount < 1 Then Return SetError(2, 0, 0)
    ReDim $aData[$iCount]

    Return $aData
EndFunc

#include <WinAPI.au3>
#include <Array.au3>


Global Const $tagBINK_STRUCT = _
    "int Width; int Height; int Frames; int FrameNum; int LastFrame;" & _
    "int FpsMul; int FpsDiv; int Unknown0; uint Flags; byte Unknown1[260];" & _
    "int CurPlane; ptr Plane0; ptr Plane1; byte Unknown2[8];" & _
    "int yWidth; int yHeight; int uvWidth; int uvHeight;"

Global $binkw32 = DllOpen("binkw32.dll")
If @error Then Exit

Global $hFile = _WinAPI_CreateFile("bink_test.bik", 2, 2)
If @error Then Exit

Global $Result = DllCall($binkw32, "ptr", "_BinkOpen@8", _
    "handle", $hFile, _
    "uint",   0x00800000 _
)

_ArrayDisplay($Result)
Global $BINK_STRUCT = DllStructCreate($tagBINK_STRUCT, $Result[0])
Global $BinkArray = _DLLStructToArray($BINK_STRUCT)
_ArrayDisplay($BinkArray)

Edited March 6, 2011 by danielkza

Andreik · March 6, 2011

In this case I should get @error 4 not results from array. Anyway you can download this dll from here.

Edited March 6, 2011 by Andreik

danielkza · March 6, 2011

I updated my last post, see if it is of any help.

Edited March 6, 2011 by danielkza

Andreik · March 6, 2011

It works, thank you. Now I need to take a closer look to see what you do there.

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